Prosthetic heart valve element



FIG. 1 is a perspective view from above of a prosthetic heart valveelement showing a first embodiment of our new design.

FIG. 2 is a perspective view from below thereof;

FIG. 3 is a front side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a perspective view from above of a prosthetic heart valveelement showing a second embodiment of our new design.

FIG. 8 is a perspective view from below thereof;

FIG. 9 is a front side view thereof;

FIG. 10 is a left side view thereof;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a bottom plan view thereof.

The broken line showing is included for the purpose of illustratingunclaimed subject matter and forms no part of the claimed design.

CLAIM The ornamental design for a prosthetic heart valve element, asshown and described.